<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div style="background-color: #ff5857;">
        <img style="vertical-align:bottom " src="./image1.png" alt="">
    </div>
<!--去掉容器中图片底部的小距离-->
    <!--
    1.vertical-align:top/middle/bottom
    2.display:block
    3.line-height:0
    4.font-size:0

    -->
</body>
</html>